13
3.4
Tighten screws
All screws must be tightened with torque according to the table:
Table 4. Screws tightening torque
3.5
Troubleshooting
During the operation there can appear some failures. Please use the table to identify and fix the
problem. If problems can not be solved please inform service center.
Table 5. Troubles and remedies
Trouble
Cause
Remedy
No reaction when try to
turn on the wheelchair
Bad wires connection
Check the wires connections
No contact with a battery
Connect the batteries
Remote controller is failed
Inform service center
LED indicators are on but
Remote controller do not
reply
Remote controller or control
system is failed
Inform service center
1 red LED indicator is
blinking
Low battery charge
Charge the battery
2 LED indicators are blinking
One of the motors is overloaded
Restart the wheelchair, avoid
overloading
Short circuit in one of the motors or
control system is failed
Inform service center
3 LED indicators are blinking
Row or pitch angle excess
maximum
Move the wheelchair to normal
level
4 LED indicators are blinking Joystick failure
Check the wires connections of
joystick
Inform service center
5 LED indicators are blinking Brakes failure
Check the wires connections of
brakes
Inform service center
Sudden wheelchair shut
down
Loss of wires connection
Check the wires connections
ESD system was activated
Restart the wheelchair
Control system is failed
Inform service center
